This circuit is suitable for use in radio receivers to improve the quality of weak signal stations. The circuit was suggested by the May 1994 issue of Electronics Now magazine.
August 2016 - Mouser Electronics is offering the development kit board Joule ™ 570x with expansion from...
In the figure we have a configuration that allows to test NPN transistors and with the addition of a...
This circuit was designed to work with the previous one in triggering a relay by the sounds picked up...